CN112032184B - Inlay type eccentric wheel device - Google Patents

Inlay type eccentric wheel device Download PDF

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Publication number
CN112032184B
CN112032184B CN202010896416.1A CN202010896416A CN112032184B CN 112032184 B CN112032184 B CN 112032184B CN 202010896416 A CN202010896416 A CN 202010896416A CN 112032184 B CN112032184 B CN 112032184B
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China
Prior art keywords
eccentric wheel
output shaft
groove
mounting groove
installation department
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Expired - Fee Related
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CN202010896416.1A
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Chinese (zh)
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CN112032184A (en
Inventor
牛永江
琚红波
李军
赵怀伟
魏斌
牛新鑫
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C3/00Shafts; Axles; Cranks; Eccentrics
    • F16C3/04Crankshafts, eccentric-shafts; Cranks, eccentrics
    • F16C3/22Cranks; Eccentrics
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G65/00Loading or unloading
    • B65G65/30Methods or devices for filling or emptying bunkers, hoppers, tanks, or like containers, of interest apart from their use in particular chemical or physical processes or their application in particular machines, e.g. not covered by a single other subclass
    • B65G65/34Emptying devices
    • B65G65/40Devices for emptying otherwise than from the top
    • B65G65/44Devices for emptying otherwise than from the top using reciprocating conveyors, e.g. jigging conveyors
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Ocean & Marine Engineering (AREA)
  • Transmission Devices (AREA)

Abstract

The invention discloses a mosaic type eccentric wheel device, which mainly relates to the field of eccentric paired wheels; the eccentric wheel comprises an eccentric wheel body, wherein a first mounting hole with a key groove is formed in one end of the eccentric wheel body, a mounting groove is formed in one end, away from the first mounting hole, of the eccentric wheel body, a movable output shaft insert is embedded in the mounting groove, and a second mounting hole with a key groove is formed in the movable output shaft insert; the invention is an open eccentric paired wheel, which is simple and convenient to install, does not need to disassemble a heavy crank rocker arm connected with a dustpan, saves time and labor, is convenient and quick, has high safety factor, high working reliability and is durable in use.

Description

Inlay type eccentric wheel device
Technical Field
The invention relates to the field of eccentric paired wheels, in particular to an embedded eccentric wheel device.
Background
Different mining areas or different plate areas working faces under the coal mine are all stepped steps, the heights of the stepped steps are different due to the difference of normal distances, the heights of the stepped steps are different, the low-step transportation can adopt an inclined shaft tunnel or a small slope to perform transitional buffer transportation, however, a transportation system of high steps (larger than or equal to 6m) needs to adopt a buffer bin to perform buffer transportation, raw coal on a high-step adhesive tape is stored in the buffer bin, and accumulated coal stored in the buffer bin is fed into the next relay transportation system through a coal feeder arranged at the bottom, so that the relay transportation of different mining areas or different plate areas is achieved. The coal feeding of the coal feeder is realized by converting the high rotating speed and the low torque of the motor into the power output of low rotating speed and high torque through the reducer, and the eccentric wheel is arranged on the output shaft of the reducer and is transmitted to the coal feeding dustpan through the crank connecting rod, so that the coal feeding dustpan does reciprocating motion ceaselessly, and the purpose of automatic coal feeding is achieved.
At present, eccentric wheels of coal feeders in China are all manufactured by adopting an integral double-ellipse shape with a certain thickness and irregular steel casting size, a large cylindrical hole with a key slot is manufactured in the middle of the large ellipse shape and is installed on an output shaft of a speed reducer; a small cylindrical hole with a key groove is manufactured in the middle of the small ellipse, a long shaft matched with the small cylindrical hole is installed in the small cylindrical hole, one end of the long shaft is connected with the small cylindrical hole with the key groove, the other end of the long shaft is connected with a crank rocker arm connected with the coal feeding dustpan, an output shaft of the speed reducer rotates to drive the eccentric wheel to synchronously rotate, the crank rocker arm connected with the coal feeding dustpan does reciprocating output motion, the coal feeding dustpan is driven to do reciprocating output motion, and therefore accumulated coal in the dustpan is continuously output.
However, in practical work, because the coal feeding dustpan does reciprocating output motion continuously, the connecting shaft in the small cylindrical hole with the key groove is loosened frequently, and the connecting shaft is ground after being loosened every time, so that scrapping is caused, the connecting shaft cannot be used normally, and even if a new connecting shaft is replaced, the heavy crank rocker arm connected with the dustpan must be disassembled, so that great labor is consumed, and the safety coefficient is not high.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides an embedded eccentric wheel device which is an open eccentric pair wheel, is simple and convenient to install, does not need to disassemble a heavy crank rocker arm connected with a dustpan, is time-saving, labor-saving, convenient and quick, has high safety coefficient, high working reliability and is durable.
In order to achieve the purpose, the invention is realized by the following technical scheme:
the utility model provides an inlay type eccentric wheel device, includes the eccentric wheel body, the one end of eccentric wheel body is equipped with the first mounting hole of taking the keyway, the one end that first mounting hole was kept away from to the eccentric wheel body is equipped with the mounting groove, it has the movable output shaft to inlay in the mounting groove, it is equipped with the second mounting hole of taking the keyway on the output shaft inlay.
Preferably, the eccentric wheel body includes first installation department, second installation department, the transversal ellipse of personally submitting of first installation department, the axial lead of first mounting hole and the coincidence of the axial lead of first installation department, the second installation department is fixed on the outer wall of first installation department, the second installation department is the cuboid form, the mounting groove is located the one end that first installation department was kept away from to the second installation department.
Preferably, the mounting groove is a U-shaped groove.
Preferably, be equipped with first anticreep groove along mounting groove circumference on the inner wall of mounting groove, be equipped with the first anticreep piece that suits with first anticreep groove on the outer wall of moving the output shaft inlay body.
Preferably, all be equipped with second anticreep piece on the wall of the left and right sides of moving the output shaft inlay body, the second anticreep piece extends towards the direction slope of keeping away from first mounting hole, be equipped with the second anticreep groove that suits with second anticreep piece on the inner wall of mounting groove.
Preferably, the upper side of the movable output shaft insert is provided with a gland, the gland is fixed at the top of the eccentric wheel body through a locking screw, the bottom of the gland is provided with a plurality of first anti-skidding teeth, the upper surface of the movable output shaft insert is provided with a plurality of second anti-skidding teeth which are matched with the first anti-skidding teeth, and the upper surface of the eccentric wheel body is provided with a plurality of third anti-skidding teeth which are matched with the first anti-skidding teeth.
Preferably, the gland is T-shaped, and the eccentric wheel body is provided with an installation position matched with the gland.
Preferably, the head of the anti-loosening screw is provided with a through hole penetrating through the head of the anti-loosening screw, and the axis of the through hole is perpendicular to the axis of the anti-loosening screw.
Compared with the prior art, the invention has the beneficial effects that:
the invention is an open eccentric paired wheel, the installation is simple and convenient, when in use, the heavy crank rocker arm connected with the dustpan is not required to be disassembled, the time and the labor are saved, the operation is convenient and fast, the safety coefficient is high, the operation reliability is high, the eccentric paired wheel device is durable, and the eccentric paired wheel device is an ideal eccentric paired wheel device and is particularly suitable for reciprocating automatic feeding of automatic coal feeders, screening machines and the like.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural diagram of an eccentric wheel body;
FIG. 3 is a top view of the second mounting portion;
FIG. 4 is a schematic structural diagram of a movable output shaft insert;
FIG. 5 is a top view of the dynamic output shaft insert;
FIG. 6 is a schematic connection diagram between the eccentric wheel body and the movable output shaft insert;
FIG. 7 is a schematic view of the gland;
FIG. 8 is a schematic structural view of a check screw;
fig. 9 is a sectional view a-a of fig. 8.
In the drawings, the reference numbers: 1. an eccentric wheel body; 11. a first mounting portion; 12. a second mounting portion; 13. third prevention of slippage; 14. an installation position; 2. a first mounting hole; 3. mounting grooves; 31. a first drop-preventing groove; 32. a second anticreep groove; 4. a movable output shaft insert; 41. a first anti-drop block; 42. a second anti-drop block; 43. a second anti-slip tooth; 5. a second mounting hole; 6. a gland; 61. a first anti-slip tooth; 7. a locking screw; 71. and (6) perforating.
Detailed Description
The invention will be further illustrated with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and these equivalents also fall within the scope of the present application.
Example (b): as shown in the attached drawings 1-9, the invention is a mosaic eccentric wheel device, comprising an eccentric wheel body 1, wherein one end of the eccentric wheel body 1 is provided with a first mounting hole 2 with a key slot, the end surface of one end of the eccentric wheel body 1 far away from the first mounting hole 2 is provided with a mounting groove 3, the mounting groove 3 vertically penetrates through the eccentric wheel body 1, a movable output shaft mosaic body 4 is inlaid in the mounting groove 3, the thickness of the movable output shaft mosaic body 4 is the same as the height of the mounting groove 3, the movable output shaft mosaic body 4 is provided with a second mounting hole 5 with a key slot, the axial lead of the second mounting hole 5 is parallel to the axial lead of the first mounting hole 2, preferably, the eccentric wheel body 1 comprises a first mounting part 11 and a second mounting part 12, the cross section of the first mounting part 11 is in an elliptical shape, and the axial lead of the first mounting hole 2 is coincident with the axial lead of the first mounting part 11, the second installation part 12 is fixed on the outer wall of the first installation part 11, and an integral structure is adopted between the second installation part 12 and the first installation part 11, and the integral structure is cast and formed, the second installation part 12 is a cuboid, the installation groove 3 is positioned on the end face of one end of the second installation part 12 far away from the first installation part 11, and is in an opening shape.
Preferably, in order to facilitate the processing of the mounting groove, the mounting groove 3 is a U-shaped groove.
Preferably, in order to prevent to move the direction of height that the output shaft inlay followed the mounting groove and drop, be equipped with first anticreep groove 31 along 3 circumference of mounting groove on the inner wall of mounting groove 3, be equipped with the first anticreep piece 41 that suits with first anticreep groove 31 on the outer wall of moving output shaft inlay 4, will move output shaft inlay 4 and inlay back in mounting groove 3, first anticreep piece 41 card is gone into in first anticreep groove 31, can prevent that locking output shaft inlay 4 drops along the direction of height of mounting groove 3.
Preferably, in order to prevent to move the output shaft inlay and drop from the opening part of mounting groove, it all is equipped with second anticreep piece 42 on the left and right sides wall of output shaft inlay 4 to move, second anticreep piece 42 extends towards the direction slope of keeping away from first mounting hole 2, be equipped with the second anticreep groove 32 that suits with second anticreep piece 42 on the inner wall of mounting groove 3, will move output shaft inlay 4 and inlay back in mounting groove 3, second anticreep piece 42 card is gone into in second anticreep groove 32, can prevent that stop output shaft inlay 4 drops from the opening part of mounting groove 3.
Preferably, in order to further improve the mounting firmness of the movable output shaft insert, a gland 6 is arranged on the upper side of the movable output shaft insert 4, the gland 6 is fixed on the top of the eccentric wheel body 1 through a locking screw 7, four mounting holes are formed in the left end and the right end of the gland 6, a plurality of first anti-slip teeth 61 are arranged at the bottom of the gland 6, a plurality of second anti-slip teeth 43 corresponding to the first anti-slip teeth 61 are arranged on the upper surface of the movable output shaft insert 4, a plurality of third anti-slip teeth 13 corresponding to the first anti-slip teeth 61 are arranged on the upper surface of the eccentric wheel body 1, the first anti-slip teeth 61, the second anti-slip teeth 43 and the third anti-slip teeth 13 can be right-angled anti-slip teeth, one of the right-angled anti-slip teeth 61 is horizontally fixed on the upper surface of the movable output shaft insert 4, one of them right-angle face level of smooth tooth 13 of third prevention is fixed on the upper surface of eccentric wheel body 1, the vertical right-angle face and the second anti-skidding tooth 43 of first anti-skidding tooth 61, the vertical right-angle face butt of smooth tooth 13 of third prevention, second anti-skidding tooth 43, the inclined plane of smooth tooth 13 of third prevention all is located the one side that is close to first mounting hole 2, will move output shaft insert 4 and inlay back in mounting groove 3, second anti-skidding tooth 43 and smooth tooth 13 one-to-one of third prevention, fix gland 6 behind the top of eccentric wheel body 1 through check screw 7, can prevent that stop output shaft insert 4 from droing from the opening part of mounting groove 3, can further improve the fastness of moving the installation of output shaft insert.
Furthermore, in order to facilitate the installation of the gland, the gland 6 is T-shaped, and the eccentric wheel body 1 is provided with an installation position 14 adapted to the gland 6.
Furthermore, in order to ensure the firmness of the installation of the gland, the head of the locking screw 7 is provided with a through hole 71 penetrating through the head of the locking screw 7, the axial lead of the through hole 71 is perpendicular to the axial lead of the locking screw 7, and the screws sequentially penetrate through the through holes 71 in the two adjacent locking screws 7 along the screwing direction, so that the locking screw 7 can be prevented from loosening due to vibration, and the firmness of the installation of the gland is ensured.
When in maintenance and installation, firstly, an input long shaft connected with a crank rocker arm is connected into a second mounting hole 5 on a movable output shaft insert 4 in an interference manner, a reducer input shaft is manually rotated to enable an opening of a mounting groove 3 on an eccentric wheel body 1 on an output shaft to be vertically upward, the output shaft insert 4 is lifted by hands, the output shaft insert 4 is aligned to the upward direction of the opening of the mounting groove 3, a first anti-loosening block 41 is aligned to a first anti-loosening groove 31 and is filled with a copper bar, the copper bar is knocked by a hammer to enable the output shaft insert 4 to be inserted into the mounting groove 3, a gland 6 is fixed on the top of the eccentric wheel body 1 by an anti-loosening screw 7 and is pressed and compacted by the anti-loosening screw 7 according to a specified moment, in order to prevent loosening, three anti-loosening measures can be adopted for the anti-loosening screw 7, firstly, sealing glue or high-concentration nail-free glue is filled between threads when the anti-loosening screw 7 is screwed in, and the friction force between the threads and the screw threads is increased, after rapid solidification, the thread and the screw port form a whole; secondly, a high-strength heavy anti-loosening spring washer is arranged below the anti-loosening screw 7 (GB7244-1987) to prevent backing and loosening; thirdly, the screws sequentially penetrate through the through holes 71 on the two adjacent anti-loosening screws 7 along the screwing direction, and the purposes of preventing torsion and loosening are achieved after locking. The eccentric coupling device has the advantages that the heavy crank rocker arm connected with the dustpan does not need to be detached, the time and the labor are saved, the operation is convenient and quick, the safety coefficient is high, the working reliability is high, the durability is realized, and the eccentric coupling device is an ideal eccentric coupling device. Therefore, the present invention is an eccentric pair wheel device for reciprocating use such as: the eccentric pair wheel device of reciprocal automatic feed of automatic feeder, sieve separator etc. according to the size of equipment power, confirm the concrete size of the device, concrete parameters such as required thickness, in addition, the major axis of the crank rocker arm of little oval middle and connection coal feeding dustpan among the background art, because this side is leading to the sky axle near little oval key groove, in order to increase the supporting degree of friction of connection of axle, the spindle nose can adopt the form that increases the bolt, further increase the degree of cooperation of axle and key groove, reach locking, anti-withdrawal and anticreep purpose, this device has extensive popularization and application value among the practical application.

Claims (6)

1. The utility model provides a inlay type eccentric wheel device, includes eccentric wheel body (1), the one end of eccentric wheel body (1) is equipped with first mounting hole (2) of taking the keyway, its characterized in that: one end, far away from the first mounting hole (2), of the eccentric wheel body (1) is provided with a mounting groove (3), a movable output shaft insert (4) is embedded in the mounting groove (3), a second mounting hole (5) with a key groove is formed in the movable output shaft insert (4), a first anti-falling groove (31) is formed in the inner wall of the mounting groove (3) along the circumferential direction of the mounting groove (3), and a first anti-falling block (41) matched with the first anti-falling groove (31) is arranged on the outer wall of the movable output shaft insert (4); move all to be equipped with second anticreep piece (42) on the left and right sides wall of output shaft inlay body (4), second anticreep piece (42) extend towards the direction slope of keeping away from first mounting hole (2), be equipped with on the inner wall of mounting groove (3) and prevent anticreep groove (32) that suit with second anticreep piece (42).
2. The mosaic eccentric wheel device according to claim 1, wherein: eccentric wheel body (1) includes first installation department (11), second installation department (12), the cross-section of first installation department (11) is the ellipse circular, the axial lead of first mounting hole (2) and the axial lead coincidence of first installation department (11), second installation department (12) are fixed on the outer wall of first installation department (11), second installation department (12) are the cuboid form, mounting groove (3) are located the one end that first installation department (11) were kept away from in second installation department (12).
3. A mosaic eccentric wheel apparatus according to claim 1 or 2, wherein: the mounting groove (3) is a U-shaped groove.
4. The mosaic eccentric wheel device according to claim 1, wherein: move the upside of the output shaft inlay body (4) and be equipped with gland (6), gland (6) are fixed at the top of eccentric wheel body (1) through locking screw (7), the bottom of gland (6) is equipped with first anti-skidding tooth (61) of a plurality of, be equipped with second anti-skidding tooth (43) that a plurality of and first anti-skidding tooth (61) suited on the upper surface of moving the output shaft inlay body (4), be equipped with third anti-skidding tooth (13) that a plurality of and first anti-skidding tooth (61) suited on the upper surface of eccentric wheel body (1).
5. The mosaic eccentric wheel apparatus according to claim 4, wherein: the gland (6) is T-shaped, and the eccentric wheel body (1) is provided with an installation position (14) matched with the gland (6).
6. The mosaic eccentric wheel apparatus according to claim 4, wherein: the head of the anti-loosening screw (7) is provided with a through hole (71) penetrating through the head of the anti-loosening screw (7), and the axial lead of the through hole (71) is perpendicular to the axial lead of the anti-loosening screw (7).
CN202010896416.1A 2020-08-31 2020-08-31 Inlay type eccentric wheel device Expired - Fee Related CN112032184B (en)

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Application Number Priority Date Filing Date Title
CN202010896416.1A CN112032184B (en) 2020-08-31 2020-08-31 Inlay type eccentric wheel device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010896416.1A CN112032184B (en) 2020-08-31 2020-08-31 Inlay type eccentric wheel device

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CN112032184B true CN112032184B (en) 2022-09-02

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CN205949290U (en) * 2016-08-29 2017-02-15 江西省威尔国际矿业装备有限公司 Novel eccentric block for shale shaker

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